diff --git a/packages/react-input/README.md b/packages/react-input/README.md
index 42dde2b2ba..a223fe7941 100644
--- a/packages/react-input/README.md
+++ b/packages/react-input/README.md
@@ -35,16 +35,48 @@ ReactDOM.render(<Demo />, _mount_);
 import ReactDOM from 'react-dom';
 import { InputNumber } from 'uiw';
 
-const Demo = () => (
-  <div>
-    <InputNumber
-      placeholder="请输入内容"
-      style={{ maxWidth: 200 }}
-      min={1}
-      max={10}
-    />
-  </div>
-);
+const Demo = () => {
+
+  return(
+    <div>
+      <Row gutter={10}>
+        <Col fixed>
+          <InputNumber
+            placeholder="请输入内容"
+            style={{ width: 200 }}
+          />
+        </Col>
+        <Col fixed>限制大小</Col>
+        <Col fixed>
+          <InputNumber
+            placeholder="请输入内容"
+            style={{ width: 200 }}
+            min={1}
+            max={10}
+          />
+        </Col>
+        <Col fixed>超出限界警告</Col>
+        <Col fixed>
+          <InputNumber
+            placeholder="请输入内容"
+            style={{ width: 200 }}
+            min={1}
+            max={10}
+            overLimitColor={'red'}
+          />
+        </Col>
+        <Col fixed>设置步涨值</Col>
+        <Col fixed>
+          <InputNumber
+            placeholder="请输入内容"
+            style={{ width: 200 }}
+            step={5}
+          />
+        </Col>
+      </Row>
+    </div>
+  )
+};
 ReactDOM.render(<Demo />, _mount_);
 ```
 
@@ -410,17 +442,23 @@ ReactDOM.render(<Demo />, _mount_);
 
 ## Input
 
-| 参数 | 说明 | 类型 | 默认值 |
-|--------- |-------- |--------- |-------- |
+| 参数 | 说明 | 类型 | 默认值 | 版本 |
+|--------- |-------- |--------- |-------- |-------- |
 | value | 绑定值 | String | - |
 | disabled | 禁用输入框 | Boolean | `false` |
 | preIcon | 输入框`前`面放置图标  | String/ReactNode | - |
 | addonAfter | 	带标签的 input，设置后置标签 | String/ReactNode | - |
 | size | 指定输入框的尺寸，除了默认的大小外，还提供了 `large`、`small` 和 `default` 三种尺寸。 | String | - |
+| inputStyle | 传递给input的样式，在需要动态设置样式场景下使用 | Object | - | v4.18.2 |
 
 ## InputNumber
+在v4.18.2中增加
 
 | 参数 | 说明 | 类型 | 默认值 | 版本 |
 |--------- |-------- |--------- |-------- |-------- |
-| min | 最小值 | Number | - | v4.18.2 |
-| max | 最大值 | Number | - | v4.18.2 |
+| min | 最小值 | Number | - |
+| max | 最大值 | Number | - |
+| step | 设置步长值 | Number | - |
+| overLimitColor | 允许超出`min`,`max`限制, 使用该警告色显示 | String | - |
+
+更多属性文档请参考 Input。
diff --git a/packages/react-input/src/InputNumber.tsx b/packages/react-input/src/InputNumber.tsx
index 6e3f87568c..974382bb56 100644
--- a/packages/react-input/src/InputNumber.tsx
+++ b/packages/react-input/src/InputNumber.tsx
@@ -1,25 +1,61 @@
-import React, { useState, useEffect } from 'react';
+import React, { useState, useMemo } from 'react';
 import Input, { InputProps } from './';
 
 interface InputNumberProps extends InputProps {
   min?: number;
   max?: number;
   step?: number;
+  overLimitColor?: string;
+  formatter?: (value: number) => string;
+  parser?: (value: number) => number;
+  keyboard?: boolean;
 }
 
 export default React.forwardRef<HTMLInputElement, InputNumberProps>((props, ref) => {
-  const { min, max, ...inputProps } = props;
+  const {
+    className,
+    min,
+    max,
+    step,
+    overLimitColor,
+    keyboard = false,
+    formatter,
+    prefixCls = 'w-input-number',
+    ...otherProps
+  } = props;
 
-  const [value, valueSet] = useState(props.value || 0);
+  const value = useMemo(() => Number.parseFloat((props.value || 0)?.toString()), [props.value]);
+  const [isOverLimit, isOverLimitSet] = useState(overLimitComp(value));
+
+  function overLimitComp(value: number) {
+    if (typeof min === 'number' && value < min) return true;
+    if (typeof max === 'number' && value > max) return true;
+    return false;
+  }
 
   const onChange = (v: React.ChangeEvent<HTMLInputElement>) => {
-    const parseValue = Number.parseInt(v.target.value);
-    if (typeof min === 'number' && parseValue < min) return;
-    if (typeof max === 'number' && parseValue > max) return;
+    const isOverLimit = overLimitComp(Number.parseFloat(v.target.value));
+    isOverLimitSet(isOverLimit);
 
-    valueSet(v.target.value);
     props.onChange?.(v);
   };
 
-  return <Input {...inputProps} value={value} onChange={onChange} type="number" />;
+  const overLimitProps = useMemo(() => {
+    if (!overLimitColor) return { min, max };
+  }, []);
+
+  const cls = [prefixCls, className].filter(Boolean).join(' ').trim();
+  const inputStyle = useMemo(() => (isOverLimit ? { color: overLimitColor?.toString() } : undefined), [isOverLimit]);
+
+  return (
+    <Input
+      {...otherProps}
+      className={cls}
+      type="number"
+      inputStyle={inputStyle}
+      onChange={onChange}
+      step={step}
+      {...overLimitProps}
+    />
+  );
 });
diff --git a/packages/react-input/src/index.tsx b/packages/react-input/src/index.tsx
index d415115917..273ea82707 100644
--- a/packages/react-input/src/index.tsx
+++ b/packages/react-input/src/index.tsx
@@ -9,6 +9,7 @@ export interface InputProps extends IProps, Omit<HTMLInputProps, 'size'> {
   preIcon?: IconProps['type'];
   addonAfter?: React.ReactNode;
   size?: 'large' | 'default' | 'small';
+  inputStyle?: React.CSSProperties;
 }
 
 export default React.forwardRef<HTMLInputElement, InputProps>((props, ref) => {
@@ -20,6 +21,7 @@ export default React.forwardRef<HTMLInputElement, InputProps>((props, ref) => {
     type = 'text',
     preIcon = null,
     addonAfter,
+    inputStyle,
     ...otherProps
   } = props;
   const inputRef = React.useRef<HTMLInputElement>(null);
@@ -51,7 +53,14 @@ export default React.forwardRef<HTMLInputElement, InputProps>((props, ref) => {
   return (
     <div className={cls} style={style}>
       <Icon type={preIcon} />
-      <input ref={inputRef} type={type} autoComplete="off" {...otherProps} className={`${prefixCls}-inner`} />
+      <input
+        ref={inputRef}
+        type={type}
+        autoComplete="off"
+        {...otherProps}
+        style={inputStyle}
+        className={`${prefixCls}-inner`}
+      />
       {addonAfter && (
         <span className={`${prefixCls}-addon-after`} ref={addonRef}>
           {addonAfter}